12
of 2

Common Factors (Common Divisors)

Here's one more:

Find the common factors of

12 , 18 and 25

 

12 : ( 1 ) , ( 2 ) , 3 , ( 4 ) , 6 , 12
32 : ( 1 ) , ( 2 ) , ( 4 ) , 8 , 16 , 32
48 : ( 1 ) , ( 2 ) , 3 , ( 4 ) , 6 , 8 , 12 , 16 , 24 , 48

The common factors of 12 , 32 and 48 are

1 , 2 and 4

 

YOUR TURN:

Find the common factors of

16 and 24
 

15 , 45 and 60
 

20 and 23